var notices = [];
var isUpate = false;//是否是修改，默认不是
var currentRow;
var search_data = {page:1,limit:10,
    title:stitle.value};
loadData();

function loadData(data){
    list_div.innerHTML = "";
    loading.style.display = "block";
    ajax("/find_all_notice",search_data,function(data){
        notices = data;
        showData( notices);
        loading.style.display = "none";
    });

    ajax("/count_all_notice",search_data,function(data){
        // console.log(data);  33
        data = parseInt(data);
        current_page.innerHTML = search_data.page;
        total_page.innerHTML =
            (data%search_data.limit==0?
                data/search_data.limit:
                Math.floor(data/search_data.limit)+1);
    });
}
function pre_page(){
    if(search_data.page>1) {
        search_data.page--;
        loadData();
    }
}
function next_page(){
    if(search_data.page<parseInt(total_page.innerHTML)) {
        search_data.page++;
        loadData();
    }
}
function first_page(){

    search_data.page=1;
    loadData();

}
function last_page(){

    search_data.page=parseInt(total_page.innerHTML);
    loadData();

}
function to_page(){
    var ip = parseInt(input_page.value);
    if(ip>=1&&ip<=parseInt(total_page.innerHTML)){
        search_data.page = ip;
        loadData();
    }
}

function showData(arr){
    list_div.innerHTML = "";
    if(arr.length==0){
        list_div.innerHTML = "暂无数据";
        return;
    }
    var allhtml = "";
    allhtml += "<table cellpadding='0' cellspacing='0'" +
        " width='100%'><tr class='theader'>" +
        "<th>公告标题</th><th>公告详情</th>"+
        "<th>公告类型</th><th>公告时间</th><th>操作</th></tr>";
    for(var i=0;i<notices.length;i++){
        var a = arr[i];
        allhtml +=
            "<tr class='list'>" +
            "<td class='ntitle'>"+a.title+"</td>" +
            "<td class='ntitle'>"+a.content+"</td>" +
            "<td class='ntitle'>"+a.type+"</td>" +
            "<td class='ntitle'>"+a.time+"</td>" +
            "<td class='ntitle'><a class='edit_a' onclick='upd("+i+")' href='javascript:;'>编辑</a>" +
            "<a class='del_a' onclick='del("+a.id+")' href='javascript:;'>删除</a></td>" +
            "</tr>";
    }
    allhtml += "</table>";
    list_div.innerHTML = allhtml;
}
function search(){
    search_data = {page:1,limit:10,
    title:stitle.value}
    loadData();
}
function save(){
    if(!title.value){
        title_error.innerHTML = "公告主题不能为空";
        return;
    }
    ajax(isUpate?"/upd_notice":"/add_notice",{
        id:currentRow?currentRow.id:-1,
         title:title.value,
         content:content.value,
         type:type.value,
        },function(data){
            alert(isUpate?"更新成功！":"新增成功！");
            title.value = "";
           content.value = "";
            type.value = "";
           
            loadData();
            add_div.style.display = "none";
            list_div.style.display = "block";
            save_btn.style.display = "none";
            add_btn.style.display = "block";
            search_div.style.display = "block";
            return_btn.style.display = "none";
        })
       }
       function del(id){
        if(!confirm("您确定要删除这个数据吗？")){
            return;
        }
        ajax("/del_notice", {id:id},function(data){
            alert("删除成功！");
            loadData();
        });
    }
    function upd(i){
        isUpate = true;
        var d = notices[i];
        currentRow = d;
        add_div.style.display = "block";
        list_div.style.display = "none";
        save_btn.style.display = "block";
        add_btn.style.display = "none";
        search_div.style.display = "none";
        return_btn.style.display = "block";

        title.value=d.title;
        content.value=d.content;
        type.value=d.type;
        title.focus();
    }

    function add(){
        add_div.style.display = "block";
        list_div.style.display = "none";
        save_btn.style.display = "block";
        add_btn.style.display = "none";
        search_div.style.display = "none";
        return_btn.style.display = "block";
    
             title.value = "";
             content.value = "";
             type.value = "";
    }
    function returnMain(){
        add_div.style.display = "none";
        list_div.style.display = "block";
        save_btn.style.display = "none";
        add_btn.style.display = "block";
        search_div.style.display = "block";
        return_btn.style.display = "none";
        
        title.value = "";
        content.value = "";
        type.value = "";
      }
    





